Sorry to hear you are stuck in this situation and at this stage, while others around you are worried why they don't see decision made, given they applied around the same time.Spousal Sponsorship Mailed to CPC Sydney in March 2020 - No AOR yet!
Anyone in the same situation?
What you can do is call them, if you haven't already, and ask for a temporary number. This will ensure they haven't lost your file, at the least. There is also a chance your completeness is complete and they just haven't sent out the letter to you, but calling in would be the way to go.